Magnetic disk medium with circumferentially textured surfaces an

Details Magnetic disk medium with circumferentially textured surfaces an Magnetic disk medium with circumferentially textured surfaces an

1988-03-31

1990-07-03

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

Disk

G11B 582

Patent

active

049396145

ABSTRACT:
A magnetic disk medium in which texture working is performed on surfaces of a substrate or on surfaces of subbing films provided on the substrate to attain circumferential worked-traces so that the contact start stop area thereof is different from the recording/reproducing area thereof in roughness of the worked surfaces.

REFERENCES:
patent: 4419701 (1983-12-01), Harrison et al.
patent: 4488189 (1984-12-01), Axmear et al.

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